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Finding the Fourth Proportional to 57,647.86, 79,573.89 and 33,782.26

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Solution

The fourth proportional to 57,647.86, 79,573.89 and 33,782.26 is: 46,631.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,647.86 : 79,573.89 = 33,782.26 : x
  2. Step 2: Convert to fraction form
    57,647.86/79,573.89 = 33,782.26/x
  3. Step 3: Cross multiply
    57,647.86x = 79,573.89 × 33,782.26
  4. Step 4: Simplify right side
    57,647.86x = 2,688,185,841.19
  5. Step 5: Solve for x
    x = 2,688,185,841.19/57,647.86
  6. Step 6: Final answer
    x = 46,631.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.